Collaborate Disseminate
One of Intel’s fixes for the Spectre variant 2 chip flaw appears to have taken a big bite out of the performance of the latest Linux kernel. Continue reading Spectre mitigation guts Linux 4.20 performance
7 new Spectre/Meltdown attacks, Hacking ATM’s for free cash is easier than Windows XP, AI can now fake fingerprints fooling ID scanners, and Japan’s cybersecurity minister admits he’s never used a computer! Paul’s Stories Facebo… Continue reading Spectre, ATMs, and Japan’s Minister – Paul’s Security Weekly #583
Systemic analysis reveals a range of new issues, and a need for new mitigations. Continue reading Spectre, Meltdown researchers unveil 7 more speculative execution attacks
An exploit was released for a flaw existing in a process in CPUs called Simultaneous Multithreading (SMT). Continue reading PortSmash Side-Channel Attack Siphons Data From Intel, Other CPUs
Microsoft bungles rollout of the Windows 10 October 2018 update, Windows Server 2019 skips RTM, and Always-Connected PCs are the next big thing for businesses.
The post Everything You Need to Know About Windows – October 2018 appeared first on Petri.
Continue reading Everything You Need to Know About Windows – October 2018
I’m working on a document about them and I think I understand it general what happens -> by exploiting the CPUs memory caching and speculative execution but I’m a little lost of how protected data is actually exposed.
So if… Continue reading Can someone explain in layman terms how Spectre and Meltdown expose protected data
A massive performance hit is the most noticeable side-effect of the Spectre fixes that Microsoft has had to release this year.
The post Microsoft Allegedly Overcomes Performance Issues in its Spectre Fixes appeared first on Thurrott.com.
Continue reading Microsoft Allegedly Overcomes Performance Issues in its Spectre Fixes
I don’t know all the details of Spectre and Meltdown, but the way I understand it is that they allow reading from memory, not writing to it. Also, I read that at least Spectre can get out of the virtual machine and therefore also affect th… Continue reading Mitigation of Spectre and Meltdown affecting host OS from guest OS (Virtualbox)
New Intel Coffee Lake CPUs offer hardware-based protections against some -but not all- Spectre and Meltdown variants. Continue reading New Ninth-Gen Intel CPUs Shield Against Some Spectre, Meltdown Variants
Do we know if there are speculative execution attacks that affect ARMv7 CPUs at this time? Are there any theoretical risks that need further investigation?
Continue reading Do any speculative executation attacks affect ARMv7 CPUs?